Extrusion & Post
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PVB Structural Sealant Compatibility
Fenómeno del problema
PVB laminated glass delaminates in contact with structural sealant, compatibility issue.
Análisis de la causa
PVB is incompatible with certain structural sealants; chemical substance migration; long-term contact reaction; edge sealing design.; When troubleshooting on site, verify item by item according to this mechanism, avoiding blind machine adjustment based only on experience
Solución
①Sealant compatibility verification; ②Design to avoid direct contact; ③Isolation measures; ④Long-term performance tracking.; After adjustment, continuously sample to verify the effect, confirm stability before resuming mass production
Conclusión clave
PVB-sealant compatibility is the key to installation quality; design isolation is prevention; tracking verifies long-term.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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